查询词典 sequential sampling

The key steps, such as particle initialization, prediction, sequential importance sampling, resampling, are particularly analyzed, and the validity and efficiency of the method are testified by simulation experiment.

着重分析了粒子初始化、预测、序贯重要性采样和重采样等关键步骤，并通过仿真实验分析验证了该方法的正确性和高效率。

Final1y, using the best linear Kalman filter in the sense of linear minimun mean square error, the sequential filtering fusion of asynchronous sampling measurements in this period can be realized.

最终，使用线最小均方误关节意义下最优的线性卡尔曼滤波器实现本周期内异步采样量测的顺序滤波融合。

Firstly, by using asynchronous data dealing way of mapping measurements, point track of the multi-sensor measurements is composed. Secondly, SSR is used to modify the height information of the enemy target adaptively. Finally, by using the unscented JPDA algorithm, the sequential filtering fusion of asynchronous sampling measurements can be realized.

该算法首先通过测量值映射的异步数据处理方法对多传感器数据进行点迹的合成，然后通过二次雷达对敌方目标的高度信息进行自适应修正，最后用无味JPDA算法对按序到来的异步采样量测进行顺序滤波融合。

The thought on weighted sampling about pre-frame not only can be applied in object tracking based sequential images, but also can be extended to other fields. The method is universal and practical.

该算法提出的引入前帧加权采样思想不仅仅局限于基于序列图像的跟踪，而且可以推广到其它相关的领域，具有普适性和实用性。

First, sequential tomograms of the hip are obtained from a CT scan; secondly, an accurate and automatic method is used to extract the profile of the acetabulum; thirdly, a hybrid method is utilized to gather fiducial marks on the acetabulum; fourthly, bulky error sampling points are removed. Finally, an ellipsoid fitting method is used to fit the ellipsoid model of the femoral head. Two male sufferers with different necrosis extents are chosen as experimental subjects for contrastive simulation.

首先利用一种精确的自动分割方法在髋骨部位CT序列图像中提取髋臼轮廓；然后使用基于等距栅格采样法与辐条式采样法相结合的混合采样法得到髋臼凹面的空间坐标点集，并剔除其中的误差采样点；最后采用基于二次曲面一般方程的方法拟合原始股骨头椭球面模型。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。